package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDshService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@Slf4j
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDshService setmealDshService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private DishService dishService;

    /**
     * 新增套餐
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息:{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增成功");
    }

    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //创建分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();
        //创建条件构造器
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        //添加查询条件,根据name进行like模糊查询
        lqw.like(name != name, Setmeal::getName, name);
        //添加排序条件,根据更新时间降序排列
        lqw.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, lqw);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map(item -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     * 删除套餐
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    //声明不是创建一个集合对象,而是创建集合容器来接收数据
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info("ids:{}", ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     *
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal) {
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }

    /**
     * 点击查看套餐图片具体内容
     *
     * @param setmealId
     * @return
     */
    @GetMapping("/dish/{id}")
    public R<List<DishDto>> dish(@PathVariable("id") Long setmealId) {
        LambdaQueryWrapper<SetmealDish> lqw = new LambdaQueryWrapper<>();
        lqw.eq(SetmealDish::getSetmealId, setmealId);
        List<SetmealDish> list = setmealDshService.list(lqw);
        List<DishDto> dishDtos = list.stream().map(setmealDish -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(setmealDish, dishDto);
            Long dishId = setmealDish.getDishId();
            Dish dish = dishService.getById(dishId);
            BeanUtils.copyProperties(dish,dishDto);
            return dishDto;
        }).collect(Collectors.toList());
        return R.success(dishDtos);
    }

    /**
     * 修改套餐状态
     *
     * @param status
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable("status") Integer status,@RequestParam List<Long> ids){
        setmealService.updateStatusById(status,ids);
        return R.success("修改成功!");
    }

    /**
     * 回显套餐数据,根据套餐id查询套餐
     *
     * @param id
     * @return
     */

    @GetMapping("/{id}")
    public R<SetmealDto> getData(@PathVariable Long id){
      SetmealDto setmealDto =  setmealService.getData(id);
      return R.success(setmealDto);
    }
}
